:root {
    --color-dark: #0a0a0a;
    --color-dark-lighter: #1a1a1a;
    --color-light: #ffffff;
    --color-gray-100: #f5f5f5;
    --color-gray-200: #e5e5e5;
    --color-gray-300: #d4d4d4;
    --color-gray-400: #a3a3a3;
    --color-gray-500: #737373;
    --color-gray-600: #525252;
    --color-gray-700: #404040;
    --color-gray-800: #262626;
    --color-gray-900: #171717;
    --color-accent: #6366f1;
    --color-accent-light: #818cf8;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --max-width: 1200px;
    --radius: 12px;
    --radius-sm: 6px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--color-light);
    color: var(--color-dark);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* Page Loader */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-light);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-loader.fade-out {
    opacity: 0;
    visibility: hidden;
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--color-gray-200);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-gray-200);
    z-index: 1000;
    padding: 20px 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    text-decoration: none;
    font-size: 24px;
    font-weight: 600;
    color: var(--color-dark);
    transition: var(--transition);
}

.logo:hover {
    color: var(--color-accent);
}

.logo-text {
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    gap: 40px;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--color-gray-600);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    color: var(--color-dark);
}

.nav-link.active {
    color: var(--color-accent);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 900px;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 32px;
    letter-spacing: -0.03em;
}

.word-animate {
    display: inline-block;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.word-animate:nth-child(1) { animation-delay: 0.1s; }
.word-animate:nth-child(2) { animation-delay: 0.2s; }
.word-animate:nth-child(3) { animation-delay: 0.3s; }
.word-animate:nth-child(4) { animation-delay: 0.4s; }
.word-animate:nth-child(5) { animation-delay: 0.5s; }
.word-animate:nth-child(6) { animation-delay: 0.6s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--color-gray-600);
    max-width: 600px;
    animation: fadeIn 1s ease 0.8s both;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.hero-gradient {
    position: absolute;
    top: 50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, var(--color-accent-light) 0%, transparent 70%);
    opacity: 0.1;
    filter: blur(100px);
    pointer-events: none;
}

/* Mission Section */
.mission {
    padding: 120px 0;
    background: var(--color-gray-100);
}

.mission-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 32px;
    letter-spacing: -0.02em;
}

.mission-text {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    margin-bottom: 24px;
    line-height: 1.8;
}

.mission-values {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.value-card {
    background: var(--color-light);
    padding: 32px;
    border-radius: var(--radius);
    transition: var(--transition);
    border: 1px solid var(--color-gray-200);
}

.value-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
    border-color: var(--color-accent-light);
}

.value-icon {
    font-size: 2rem;
    margin-bottom: 16px;
}

.value-card h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
    font-weight: 600;
}

.value-card p {
    color: var(--color-gray-600);
    line-height: 1.6;
}

/* Work Section */
.work {
    padding: 120px 0;
    background: var(--color-dark);
    color: var(--color-light);
}

.work .section-title {
    color: var(--color-light);
    margin-bottom: 64px;
}

.work-grid {
    display: grid;
    gap: 48px;
}

.work-card {
    background: var(--color-dark-lighter);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--color-gray-800);
    transition: var(--transition);
}

.work-card.featured {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    padding: 48px;
    align-items: center;
}

.work-card-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.work-card.upcoming {
    padding: 48px;
}

.work-card:hover {
    border-color: var(--color-gray-700);
    transform: translateY(-2px);
}

.work-card-header {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 24px;
}

.work-status {
    display: inline-block;
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    background: var(--color-accent);
    color: var(--color-light);
}

.work-status.coming-soon {
    background: var(--color-gray-700);
}

.work-category {
    color: var(--color-gray-400);
    font-size: 0.875rem;
}

.work-title {
    font-size: 2rem;
    margin-bottom: 16px;
    font-weight: 600;
}

.work-description {
    color: var(--color-gray-400);
    line-height: 1.8;
    margin-bottom: 24px;
}

.work-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 32px;
}

.feature-tag {
    padding: 6px 14px;
    background: var(--color-gray-800);
    border-radius: 100px;
    font-size: 0.875rem;
    color: var(--color-gray-300);
    border: 1px solid var(--color-gray-700);
}

.work-links {
    display: flex;
    gap: 16px;
}

.work-link {
    text-decoration: none;
    color: var(--color-gray-400);
    font-weight: 500;
    transition: var(--transition);
}

.work-link:hover {
    color: var(--color-light);
}

.work-link.primary {
    color: var(--color-accent-light);
}

.work-link.primary:hover {
    color: var(--color-accent);
}

/* Work Mockup Image */
.work-mockup-image {
    width: 90%;
    height: auto;
    border-radius: var(--radius);
    transition: var(--transition);
}

.work-card:hover .work-mockup-image {
    transform: scale(1.02);
}

/* Work Teaser */
.work-teaser {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 32px;
}

.teaser-item {
    padding: 24px;
    background: var(--color-gray-900);
    border-radius: var(--radius);
    text-align: center;
    border: 1px solid var(--color-gray-800);
    transition: var(--transition);
}

.teaser-item:hover {
    border-color: var(--color-gray-700);
    transform: translateY(-2px);
}

.teaser-icon {
    display: block;
    font-size: 2rem;
    margin-bottom: 12px;
}

.teaser-item span:last-child {
    color: var(--color-gray-400);
    font-weight: 500;
}

/* CTA Section */
.cta {
    padding: 120px 0;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    text-align: center;
}

.cta-content h2 {
    font-size: 3rem;
    color: var(--color-light);
    margin-bottom: 16px;
    font-weight: 700;
}

.cta-content p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
}

.cta-button {
    display: inline-block;
    padding: 16px 32px;
    background: var(--color-light);
    color: var(--color-accent);
    text-decoration: none;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 1.125rem;
    transition: var(--transition);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
}

/* Footer */
.footer {
    background: var(--color-dark);
    color: var(--color-light);
    padding: 80px 0 40px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid var(--color-gray-800);
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 600;
    display: block;
    margin-bottom: 8px;
}

.footer-tagline {
    color: var(--color-gray-400);
    font-size: 0.875rem;
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    color: var(--color-gray-400);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--color-light);
}

.footer-bottom {
    text-align: center;
    color: var(--color-gray-500);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        gap: 24px;
    }
    
    .hero-title {
        font-size: clamp(2rem, 10vw, 3.5rem);
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .mission-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .work-card.featured {
        grid-template-columns: 1fr;
        padding: 32px;
    }
    
    .work-teaser {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 32px;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 16px;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
}